App Detail » Equation Solver 4in1

What's New

Added Czech and Polish localizations.
Updated interface for iPhone XR.

App Description

Equation Solver 4-in-1 is the ultimate app that helps you solve linear equations in one variable, quadratic equations with real and complex roots, cubic and quartic equations. It's intuitive and easy to use. Just type in any equation you want to solve and the equation calculator will show you the result.

Everything you need to solve equations or check results!

Features:

• Linear Equation Solver.
• Quadratic Equation Solver.
• Cubic Equation Solver.
• Quartic Equation Solver.
• Solves equations with fractions and parentheses. Note: the app doesn’t yet support equations with a variable in the denominator.
• Supports integers, fractions and decimals, including negative values.
• Predefined formats.
• Detailed step-by-step instructions for linear equations and quadratic equations.
• Stores history with the possibility to recall previous equations.
• Back and forward buttons to check and recall recent equations.
• Sends results and history via email.

App Changes

• June 13, 2014 Initial release
• September 01, 2015 New version 3.0.1
• September 13, 2015 New version 3.0.2
• January 11, 2016 Price increase: $1.99 -> $2.99
• July 06, 2016 Price decrease: $2.99 -> $0.99
• November 11, 2016 Price increase: $0.99 -> $1.99
• November 16, 2016 Price decrease: $1.99 -> $0.99
• June 14, 2019 New version 4.0.3
• June 14, 2019 Price increase: $0.99 -> $3.99
• June 14, 2019 Price increase: $0.99 -> $3.99
• June 15, 2019 Price increase: $0.99 -> $3.99
• June 15, 2019 Price increase: $0.99 -> $3.99
• June 15, 2019 Price increase: $0.99 -> $3.99
• June 16, 2019 Price increase: $0.99 -> $3.99
• July 15, 2020 New version 4.1.5